155082020

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{43319}}^1$

素因数の和:43507

約数の個数: 24

約数和(自身を含む): 327499200

約数和(自身を除く): 172417180

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1790, 3580, 43319, 86638, 173276, 216595, 433190, 866380, 7754101, 15508202, 31016404, 38770505, 77541010, 155082020]

約数ペア:

[(1, 155082020), (2, 77541010), (4, 38770505), (5, 31016404), (10, 15508202), (20, 7754101), (179, 866380), (358, 433190), (716, 216595), (895, 173276), (1790, 86638), (3580, 43319)]